/*
 *  Copyright (c) xsocket.org, 2006-2008. All rights reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Please refer to the LGPL license at: http://www.gnu.org/copyleft/lesser.txt
 * The latest copy of this software may be found on http://www.xsocket.org/
 */
package org.xsocket.connection;

import java.io.IOException;
import java.nio.BufferUnderflowException;

import org.xsocket.MaxReadSizeExceededException;

/**
*
* @author grro@xsocket.org
*/
public final class NonBlockingClient {

    public static void main(String... args) throws Exception {
        if (args.length < 1) {
            System.out.println("usage org.xsocket.stream.NonBlockingClient <path>");
            System.exit(-1);
        }

        new NonBlockingClient().call("localhost", 8080, args[0]);
    }

    public void call(String host, int port, String path) throws IOException {

        INonBlockingConnection connection = null;
        try {
            connection = new NonBlockingConnection(host, port, new DataHandler());
            connection.write("GET " + path + " HTTP\r\n\r\n");

            // do somthing else
            try {
                Thread.sleep(300);
            } catch (InterruptedException ignore) {
            }
        } finally {
            if (connection != null) {
                connection.close();
            }
        }
    }

    private static final class DataHandler implements IDataHandler {

        private boolean isHeader = true;

        public boolean onData(INonBlockingConnection connection) throws IOException, BufferUnderflowException, MaxReadSizeExceededException {
            String line = null;
            do {
                line = connection.readStringByDelimiter("\r\n").trim();
                ;
                if ((line.length() > 0) && isHeader) {
                    System.out.println(line);
                }
            } while (line.length() > 0);
            isHeader = false;

            return true;
        }
    }

}
